The Behavior of 3,3-Diphenylindan-1,2-dione Towards Alkyl Phosphites |
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Authors: | Fayez H Osman Fatma A El-Samahy |
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Institution: | (1) National Research Centre, Dokki, Cairo, Egypt |
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Abstract: | Summary. The reaction of 3,3-diphenylindan-1,2-dione with trimethyl phosphite in dry benzene at room temperature for about 15 h led
to the formation of a mixture containing dimethyl (3,3-diphenyl-2-methoxy-1-indenyl)phosphate and dimethyl (3,3-diphenyl-1H-2-oxo-1-indanyl)phosphate, whereas with triisopropyl phosphite, diisopropyl (3,3-diphenyl-2-isopropoxy-1-indenyl)phosphate
is the only product. Treatment of the dione with dialkyl phosphites under different experimental conditions gave dialkyl (3,3-diphenyl-1-hydroxy-2-oxo-1-indanyl)phosphates.
Reaction mechanisms are presented which account for the experimental results. Structural assignments of the new compounds
are based on the spectroscopic evidences and two examples were elucidated by X-ray crystallography. |
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Keywords: | , 3,3-Diphenylindan-1,2-dione, Alkyl phosphites, X-Ray crystallography, |
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